stevenzwu commented on code in PR #4943:
URL: https://github.com/apache/iceberg/pull/4943#discussion_r893040222
##########
flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/source/StreamingMonitorFunction.java:
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@@ -143,7 +147,25 @@ public void run(SourceContext<FlinkInputSplit> ctx) throws
Exception {
}
}
- private void monitorAndForwardSplits() {
+ private long maxReachableSnapshotId(long lastConsumedSnapshotId, long
latestSnapshotId,
+ int maxSnapshotCountPerMonitorInterval) {
+ // This doesn't consider snapshot inheritance since it is already checked
in state initialization.
+ List<Long> snapshotIds = SnapshotUtil.snapshotIdsBetween(table,
lastConsumedSnapshotId, latestSnapshotId);
+
+ if (snapshotIds.size() <= maxSnapshotCountPerMonitorInterval) {
+ return latestSnapshotId;
+ } else {
+ // It uses reverted index since snapshotIdsBetween returns Ids that are
ordered by committed time descending.
+ return snapshotIds.get(snapshotIds.size() -
maxSnapshotCountPerMonitorInterval);
+ }
+ }
+
+ @VisibleForTesting
+ void sourceContext(SourceContext<FlinkInputSplit> ctx) {
+ this.sourceContext = ctx;
+ }
+
+ void monitorAndForwardSplits() {
Review Comment:
nit: add `@VisibleForTesting` annotation here too
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